**Please Call for Availability and Fitment Confirmation.** LSM SC-350â„¢ on head valve spring compressor for Late Model Hemis (2003 and newer) with stock rocker bar. Tool mounts directly to the rocker bar and is adjustable to accommodate intakes and exhausts. The SC-350â„¢ comes with our small retainer housing with an OD of 1.235". Our tools can easily and safely handle 1,000 pounds of seat pressure with our screw down method that will not spin back. Plus, you won't need an extra set of hands so you don't lose your keepers. The base on the SC-350â„¢ is scored to be later modified and cut down to be used on Drag Pack stands if desired. Don't forget your optional SH-60 â„¢ Speed Handle!